新概念英語第二冊逐句精講語言點 第43課(2)
In 1929, three years after his flight over the NorthPole, the American explorer, R.E. Byrd, successfullyflew over the South Pole for the first time. Though,at first, Byrd and his men were able to take a greatmany photographs of the mountains that lay below,they soon ran into serious trouble. At one point, itseemed certain that their plane would crash. Itcould only get over the mountains if it rose to10,000 feet. Byrd at once ordered his men tothrow out two heavy foodsacks. The plane wasthen able to rise and it cleared the mountains by 400 feet. Byrd now knew that he wouldbe able to reach the South Pole which was 300 miles away, for there were no more mountains insight. The aircraft was able tofly over the endless white plains without difficulty.
精講筆記：
4. It could only get over the mountains if it rose to 10,000 feet.
只有在飛機(jī)飛至10,000英尺的高度時，它才能飛過這些山頭。
語言點 本句包含“only + if”的結(jié)構(gòu)，意為“只有……才……”。
The soldiers could only march to the next town if the rain stopped.
這些士兵們只有等到雨停了才能夠行軍到下一個城鎮(zhèn)。
5. Byrd at once ordered his men to throw out two heavy food sacks.
伯德馬上命令他的助手們把兩個沉重的食物袋扔掉。,
語言點 order sb. to do sth.為不定式作賓語補(bǔ)足語的典型結(jié)構(gòu)(請參考Lesson 11P)。
6. The plane was then able to rise and it cleared the mountains by 400 feet.
于是飛機(jī)上升了，在離山頭400英尺的高度飛越了過去。
語言點 by在此句中表示相差的距離，并非表被動或者“在……旁邊”。
